<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>菜鸟教程(runoob.com)</title>
</head>
<body>

<form action="ReadParams" method="POST" target="_blank">
  <input type="checkbox" name="maths" checked="checked" /> 数学
  <input type="checkbox" name="physics"  /> 物理
  <input type="checkbox" name="chemistry" checked="checked" /> 化学
  <input type="submit" value="选择学科" />
</form>

</body>
</html>
